package Socket;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;

public class Server2 {

    public ServerSocket serverSocket;
    public Server2(){
        try {
            System.out.println("正在启动服务端");
            serverSocket = new ServerSocket(8088);
            System.out.println("服务端启动完毕！");
        }catch (IOException e){
            e.printStackTrace();
        }
    }
    public void start(){
        try {
            while (true){
            System.out.println("等待一个客户端连接");
            Socket socket = serverSocket.accept();
            System.out.println("一个客户端连上了");
            Runnable r= new ClientHandler(socket);
            Thread t = new Thread(r);
            t.start();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        Server2 server = new Server2();
        server.start();
    }

    private class ClientHandler implements Runnable{
        private Socket socket;
        private String host;
        public ClientHandler(Socket socket){
            this.socket = socket;
            host = socket.getInetAddress().getHostAddress();
        }
        public void run(){
            try {
                InputStream in = socket.getInputStream();
                InputStreamReader isr = new InputStreamReader(in, StandardCharsets.UTF_8);
                BufferedReader br = new BufferedReader(isr);
                String message;
                while ( (message= br.readLine())!=null){
                    System.out.println(host+"说："+message);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
